<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">

<title>COPYING - RDoc Documentation</title>


<script src="../js/navigation.js" defer></script>
<script src="../js/search.js" defer></script>
<script src="../js/search_index.js" defer></script>
<script src="../js/searcher.js" defer></script>
<script src="../js/darkfish.js" defer></script>

<script src="../js/jquery-3.2.0.min.js"></script>

<script src="../js/vue.min.js"></script>
<script src="../js/js.cookie.min.js"></script>

<link href="../css/fonts.css" rel="stylesheet">
<link id='rdoccss' href="../css/rdoc.css" rel="stylesheet">
<link href="../css/carbon17.css" rel="stylesheet">

<script type="text/javascript">
  var rdoc_rel_prefix = "../";
  var index_rel_prefix = "../";
  var darkModeCsseHref = "../css/rdoc-dm.css"
  var defaultModeCssHref = "../css/rdoc.css"
  // var cssDarkmode = Cookies.get('darkmode');
  
  if( Cookies.get("darkmode") == "true") {
	$('#rdoccss').attr("href", darkModeCsseHref);
}

//  https://cssdeck.com/blog/simple-jquery-stylesheet-switcher/

document.write('<style type="text/css">body{display:none}</style>');

</script>


</head>
<body id="top" role="document" class="file">
  <!-- this is page.html -->
  <div id='actionbar' >
    <div class='wrapper mdiv'>
      <ul class='grids g0'></ul>
    </div> 
    <!-- VERSION HEADER for 3.3.0-preview2 NOT FOUND -->
  </div> <!-- end action bar -->


 <div class='wrapper hdiv'>

 


<nav id='vapp' role="navigation">
  <div id="project-navigation">
    <div id="home-section" role="region" title="Quick navigation" class="nav-section">
  <h2><a href="../index.html" rel="home">Home</a></h2>

  <div id="table-of-contents-navigation"  >
    <a href="../table_of_contents.html#pages">Pages</a>
    <a href="../table_of_contents.html#classes">Classes</a>
    <a href="../table_of_contents.html#methods">Methods</a>
  </div>
</div>

    <div id="search-section" role="search" class="project-section initially-hidden">
  <form action="#" method="get" accept-charset="utf-8">
    <div id="search-field-wrapper">
      <input id="search-field" role="combobox" aria-label="Search"
             aria-autocomplete="list" aria-controls="search-results"
             type="text" name="search" placeholder="Search" spellcheck="false"
             title="Type to search, Up and Down to navigate, Enter to load">
    </div>

    <ul id="search-results" aria-label="Search Results"
        aria-busy="false" aria-expanded="false"
        aria-atomic="false" class="initially-hidden"></ul>
  </form>
</div>

  </div>

  
  <button id='toggleThing' @click="toggleNav()" >Show/hide navigation</button>

  <div id="project-metadata">
   <div :class="isOpen ? 'block' : 'hidden' " id='toggleMe'>
    
<div id="fileindex-section" class="nav-section">
  <h3>Pages</h3>

  <ul class="link-list">
    <li><a href="../NEWS/NEWS-1_8_7.html">NEWS-1.8.7</a>
    <li><a href="../NEWS/NEWS-1_9_1.html">NEWS-1.9.1</a>
    <li><a href="../NEWS/NEWS-1_9_2.html">NEWS-1.9.2</a>
    <li><a href="../NEWS/NEWS-1_9_3.html">NEWS-1.9.3</a>
    <li><a href="../NEWS/NEWS-2_0_0.html">NEWS-2.0.0</a>
    <li><a href="../NEWS/NEWS-2_1_0.html">NEWS-2.1.0</a>
    <li><a href="../NEWS/NEWS-2_2_0.html">NEWS-2.2.0</a>
    <li><a href="../NEWS/NEWS-2_3_0.html">NEWS-2.3.0</a>
    <li><a href="../NEWS/NEWS-2_4_0.html">NEWS-2.4.0</a>
    <li><a href="../NEWS/NEWS-2_5_0.html">NEWS-2.5.0</a>
    <li><a href="../NEWS/NEWS-2_6_0.html">NEWS-2.6.0</a>
    <li><a href="../NEWS/NEWS-2_7_0.html">NEWS-2.7.0</a>
    <li><a href="../NEWS/NEWS-3_0_0_md.html">NEWS-3.0.0</a>
    <li><a href="../NEWS/NEWS-3_1_0_md.html">NEWS-3.1.0</a>
    <li><a href="../NEWS/NEWS-3_2_0_md.html">NEWS-3.2.0</a>
    <li><a href="../bsearch_rdoc.html">bsearch</a>
    <li><a href="../bug_triaging_rdoc.html">bug_triaging</a>
    <li><a href="../case_mapping_rdoc.html">case_mapping</a>
    <li><a href="../character_selectors_rdoc.html">character_selectors</a>
    <li><a href="../command_injection_rdoc.html">command_injection</a>
    <li><a href="../contributing_md.html">contributing</a>
    <li><a href="../contributing/building_ruby_md.html">building_ruby</a>
    <li><a href="../contributing/documentation_guide_md.html">documentation_guide</a>
    <li><a href="../contributing/glossary_md.html">glossary</a>
    <li><a href="../contributing/making_changes_to_ruby_md.html">making_changes_to_ruby</a>
    <li><a href="../contributing/making_changes_to_stdlibs_md.html">making_changes_to_stdlibs</a>
    <li><a href="../contributing/reporting_issues_md.html">reporting_issues</a>
    <li><a href="../contributing/testing_ruby_md.html">testing_ruby</a>
    <li><a href="../dig_methods_rdoc.html">dig_methods</a>
    <li><a href="../distribution_md.html">distribution</a>
    <li><a href="../dtrace_probes_rdoc.html">dtrace_probes</a>
    <li><a href="../encodings_rdoc.html">encodings</a>
    <li><a href="../extension_ja_rdoc.html">extension.ja</a>
    <li><a href="../extension_rdoc.html">extension</a>
    <li><a href="../fiber_md.html">fiber</a>
    <li><a href="../format_specifications_rdoc.html">format_specifications</a>
    <li><a href="../globals_rdoc.html">globals</a>
    <li><a href="../implicit_conversion_rdoc.html">implicit_conversion</a>
    <li><a href="../keywords_rdoc.html">keywords</a>
    <li><a href="../maintainers_md.html">maintainers</a>
    <li><a href="../marshal_rdoc.html">marshal</a>
    <li><a href="../memory_view_md.html">memory_view</a>
    <li><a href="../optparse/argument_converters_rdoc.html">argument_converters</a>
    <li><a href="../optparse/creates_option_rdoc.html">creates_option</a>
    <li><a href="../optparse/option_params_rdoc.html">option_params</a>
    <li><a href="../optparse/tutorial_rdoc.html">tutorial</a>
    <li><a href="../packed_data_rdoc.html">packed_data</a>
    <li><a href="../ractor_md.html">ractor</a>
    <li><a href="../regexp_rdoc.html">regexp</a>
    <li><a href="../regexp/methods_rdoc.html">methods</a>
    <li><a href="../regexp/unicode_properties_rdoc.html">unicode_properties</a>
    <li><a href="../ruby_3_3_0_preview2/COPYING.html">COPYING</a>
    <li><a href="../ruby_3_3_0_preview2/COPYING_ja.html">COPYING.ja</a>
    <li><a href="../ruby_3_3_0_preview2/LEGAL.html">LEGAL</a>
    <li><a href="../ruby_3_3_0_preview2/NEWS_md.html">NEWS</a>
    <li><a href="../ruby_3_3_0_preview2/README_ja_md.html">README.ja</a>
    <li><a href="../ruby_3_3_0_preview2/README_md.html">README</a>
    <li><a href="../security_rdoc.html">security</a>
    <li><a href="../signals_rdoc.html">signals</a>
    <li><a href="../standard_library_rdoc.html">standard_library</a>
    <li><a href="../strftime_formatting_rdoc.html">strftime_formatting</a>
    <li><a href="../syntax_rdoc.html">syntax</a>
    <li><a href="../syntax/assignment_rdoc.html">assignment</a>
    <li><a href="../syntax/calling_methods_rdoc.html">calling_methods</a>
    <li><a href="../syntax/comments_rdoc.html">comments</a>
    <li><a href="../syntax/control_expressions_rdoc.html">control_expressions</a>
    <li><a href="../syntax/exceptions_rdoc.html">exceptions</a>
    <li><a href="../syntax/literals_rdoc.html">literals</a>
    <li><a href="../syntax/methods_rdoc.html">methods</a>
    <li><a href="../syntax/miscellaneous_rdoc.html">miscellaneous</a>
    <li><a href="../syntax/modules_and_classes_rdoc.html">modules_and_classes</a>
    <li><a href="../syntax/pattern_matching_rdoc.html">pattern_matching</a>
    <li><a href="../syntax/precedence_rdoc.html">precedence</a>
    <li><a href="../syntax/refinements_rdoc.html">refinements</a>
    <li><a href="../timezones_rdoc.html">timezones</a>
    <li><a href="../windows_md.html">windows</a>
    <li><a href="../yjit/yjit_md.html">yjit</a>
    <li><a href="../yjit/yjit_hacking_md.html">yjit_hacking</a>
  </ul>
</div>

   </div>
  </div>
</nav>


<!--  carbon ads here -->

<div id='extraz'>
  <div class='adzbox-index'  >
   
  </div>
 </div>         


<main role="main" aria-label="Page ruby_3_3_0_preview2/COPYING">

<p>Ruby is copyrighted free software by Yukihiro Matsumoto &lt;matz@netlab.jp&gt;. You can redistribute it and/or modify it under either the terms of the 2-clause BSDL (see the file BSDL), or the conditions below:</p>
<ol><li>
<p>You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the original copyright notices and associated disclaimers.</p>
</li><li>
<p>You may modify your copy of the software in any way, provided that you do at least ONE of the following:</p>
<ol style="list-style-type: lower-alpha"><li>
<p>place your modifications in the Public Domain or otherwise make them Freely Available, such as by posting said modifications to Usenet or an equivalent medium, or by allowing the author to include your modifications in the software.</p>
</li><li>
<p>use the modified software only within your corporation or organization.</p>
</li><li>
<p>give non-standard binaries non-standard names, with instructions on where to get the original software distribution.</p>
</li><li>
<p>make other distribution arrangements with the author.</p>
</li></ol>
</li><li>
<p>You may distribute the software in object code or binary form, provided that you do at least ONE of the following:</p>
<ol style="list-style-type: lower-alpha"><li>
<p>distribute the binaries and library files of the software, together with instructions (in the manual page or equivalent) on where to get the original distribution.</p>
</li><li>
<p>accompany the distribution with the machine-readable source of the software.</p>
</li><li>
<p>give non-standard binaries non-standard names, with instructions on where to get the original software distribution.</p>
</li><li>
<p>make other distribution arrangements with the author.</p>
</li></ol>
</li><li>
<p>You may modify and include the part of the software into any other software (possibly commercial).  But some files in the distribution are not written by the author, so that they are not under these terms.</p>

<p>For the list of those files and their copying conditions, see the file <a href="LEGAL.html">LEGAL</a>.</p>
</li><li>
<p>The scripts and library files supplied as input to or produced as output from the software do not automatically fall under the copyright of the software, but belong to whomever generated them, and may be sold commercially, and may be aggregated with this software.</p>
</li><li>
<p>THIS SOFTWARE IS PROVIDED “AS IS” AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.</p>
</li></ol>

</main>

</div>  <!--  class='wrapper hdiv' -->


<footer id="validator-badges" role="contentinfo">
<p><a href="https://validator.w3.org/check/referer">Validate</a></p>
<p>Generated by <a href="https://ruby.github.io/rdoc/">RDoc</a> 6.4.0.</p>
<p>Based on <a href="https://github.com/ged/darkfish/">Darkfish</a> by <a href="http://deveiate.org">Michael Granger</a>.</p>

  
    <p><p><a href="https://ruby-doc.org">Ruby-doc.org</a> is provided by <a href="https://jamesbritt.com">James Britt</a> and <a href="https://neurogami.com">Neurogami</a>.</p><p><a href="https://jamesbritt.bandcamp.com/">Maximum R+D</a>.  </p>
</p>
  
  </footer>

<script type="text/javascript">


  let ads  = $("#carbonads-container").children().detach();


  function swapMode() {
    var cookieName = 'darkmode';
    var cssDarkmode = Cookies.get(cookieName);
    console.log("***** swapMode! " + cssDarkmode + " *****");


    if (cssDarkmode == "true") {
      console.log("We have dark mode, set the css to light ...");
      $('#rdoccss').attr("href", defaultModeCssHref);
      $('#cssSelect').text("Dark mode");
      cssDarkmode = "false";
      console.log("swapMode! Now set cookie to " + cssDarkmode);
      Cookies.set(cookieName, cssDarkmode);

    } else {
      console.log("We not have dark mode, set the css to dark ...");
      $('#rdoccss').attr("href", darkModeCsseHref);
      $('#cssSelect').text("Light mode");
      cssDarkmode = "true";
      console.log("swapMode! Now set cookie to " + cssDarkmode);
      Cookies.set(cookieName, cssDarkmode);

    }

    console.log("  --------------- ");
  }


const vueCssApp = new Vue({
el: '#menubar',
data: {
isDark: false
},
methods: {
toggleClass: function(event){
this.isDark = !this.isDark;
}
}
})

const vueApp = new Vue({
el: '#vapp',
data: { 
isOpen: true
},

mounted() {
this.handleResize();
this.manage_mob_classes();
window.addEventListener('resize', this.handleResize)
//this.isOpen !=  (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent));
},
destroyed() {
window.removeEventListener('resize', this.handleResize)
},
created() {
//manage_mob_classes();
},

methods : {
isMobile() {
  return (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent));
},

  handleResize() {
    if (!this.isMobile()) {
      this.isOpen = window.innerWidth > 800;
    }
  },

  manage_mob_classes() {
    if (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)) {
      $("nav").addClass("mob_nav");
      $("main").addClass("mob_main");
      $("#extraz").addClass("mob_extraz");
      $("#carbonads-container").addClass("mob_carbonads-container");
      this.isOpen  = false;
    } else {
      $("nav").removeClass("mob_nav") 
        $("main").removeClass("mob_main");
      $("#extraz").removeClass("mob_extraz");
      $("#carbonads-container").removeClass("mob_carbonads-container");
      this.isOpen  = true;
    }
  },

  toggleNav() {
    this.isOpen =! this.isOpen ;
    // alert("Toggle nav!");
    console.log("toggleNav() click: " + this.isOpen );
  }
}
})

$("#carbonads-container").append(ads);


$(function() {

    var darkmode = Cookies.get("darkmode");
    console.log("Document ready: " + darkmode);

    if ( darkmode  == "true" ) {
      $('#cssSelect').text("Light mode");
    } else {
      $('#cssSelect').text("Dark mode");
     }

    $('body').css('display','block');
    });

</script>

    
  </body> 
</html>

